JPH06164271A - 入力可聴信号のバス周波数成分を向上させるための可聴信号処理装置 - Google Patents

入力可聴信号のバス周波数成分を向上させるための可聴信号処理装置

Info

Publication number
JPH06164271A
JPH06164271A JP5184612A JP18461293A JPH06164271A JP H06164271 A JPH06164271 A JP H06164271A JP 5184612 A JP5184612 A JP 5184612A JP 18461293 A JP18461293 A JP 18461293A JP H06164271 A JPH06164271 A JP H06164271A
Authority
JP
Japan
Prior art keywords
signal
input
variable gain
gain amplifier
frequency component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP5184612A
Other languages
English (en)
Japanese (ja)
Inventor
Donn R Werrbach
ドン・アール・ウェーバック
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
APHEX SYST Ltd
Aphex Systems Ltd
Original Assignee
APHEX SYST Ltd
Aphex Systems Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by APHEX SYST Ltd, Aphex Systems Ltd filed Critical APHEX SYST Ltd
Publication of JPH06164271A publication Critical patent/JPH06164271A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/18—Automatic control in untuned amplifiers
    • H03G5/22—Automatic control in untuned amplifiers having semiconductor devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Control Of Amplification And Gain Control (AREA)
JP5184612A 1992-07-31 1993-07-27 入力可聴信号のバス周波数成分を向上させるための可聴信号処理装置 Pending JPH06164271A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US92337392A 1992-07-31 1992-07-31
US923373 1992-07-31

Publications (1)

Publication Number Publication Date
JPH06164271A true JPH06164271A (ja) 1994-06-10

Family

ID=25448580

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5184612A Pending JPH06164271A (ja) 1992-07-31 1993-07-27 入力可聴信号のバス周波数成分を向上させるための可聴信号処理装置

Country Status (5)

Country Link
US (1) US5359665A (de)
EP (1) EP0583492B1 (de)
JP (1) JPH06164271A (de)
AT (1) ATE173866T1 (de)
DE (1) DE69227681T2 (de)

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US7466829B1 (en) 1999-08-24 2008-12-16 Logitech Europe S.A. Dynamic bass equalization with modified sallen-key high pass filter
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DE19955696A1 (de) * 1999-11-18 2001-06-13 Micronas Gmbh Vorrichtung zur Erzeugung von Oberwellen in einem Audiosignal
US7277767B2 (en) 1999-12-10 2007-10-02 Srs Labs, Inc. System and method for enhanced streaming audio
US6728721B1 (en) * 2000-06-23 2004-04-27 Microsoft Corporation System and method for maintaining a user's state within a database table
US7016509B1 (en) * 2000-09-08 2006-03-21 Harman International Industries, Inc. System and method for varying low audio frequencies inversely with audio signal level
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JP2005136647A (ja) * 2003-10-30 2005-05-26 New Japan Radio Co Ltd 低音ブースト回路
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WO2008126496A1 (ja) * 2007-03-20 2008-10-23 Nec Corporation 電子機器用音響処理システム、方法及び携帯電話端末
US8130980B2 (en) * 2007-06-21 2012-03-06 Creative Technology Ltd Automatic gain control circuit for volume control and corresponding method for volume control
EP2191660B1 (de) 2007-09-03 2011-08-10 Am3D A/S Verfahren und Vorrichtung zur Erweiterung der Niederfrequenzausgabe eines Lautsprechers
US8275152B2 (en) * 2007-09-21 2012-09-25 Microsoft Corporation Dynamic bass boost filter
US8992238B2 (en) 2010-07-12 2015-03-31 Ferno-Washington, Inc. Mounting system having a mounting plate with mounting studs and electrical contacts
JP6177798B2 (ja) * 2011-12-27 2017-08-09 ディーティーエス・エルエルシーＤｔｓ Ｌｌｃ バスエンハンスメントシステム
EP3354246B1 (de) 2013-02-11 2019-10-23 Ferno-Washington, Inc. Ausrüstungsmontagesystem
US9944217B2 (en) 2013-02-11 2018-04-17 Ferno-Washington, Inc. Equipment mounting system
US10307313B2 (en) 2013-02-11 2019-06-04 Ferno-Washington, Inc. Equipment mounting system
US9060223B2 (en) 2013-03-07 2015-06-16 Aphex, Llc Method and circuitry for processing audio signals
US9247342B2 (en) 2013-05-14 2016-01-26 James J. Croft, III Loudspeaker enclosure system with signal processor for enhanced perception of low frequency output
WO2014190140A1 (en) 2013-05-23 2014-11-27 Alan Kraemer Headphone audio enhancement system
US11083265B2 (en) 2014-02-11 2021-08-10 Ferno-Washington, Inc. Magnetic pouch attachment mechanism with crash stable locking teeth
US10398207B2 (en) 2014-02-11 2019-09-03 Ferno-Washington, Inc. Crash-ready, portable, compartmentalization device
US10398203B2 (en) 2014-02-11 2019-09-03 Ferno-Washington, Inc. Crash-ready, portable, compartmentalization device
ES2702295T3 (es) 2014-07-18 2019-02-28 Ferno Washington Un dispositivo de compartimentación, portátil preparado para colisiones
GB2549810B (en) 2016-04-29 2020-08-19 Cirrus Logic Int Semiconductor Ltd Audio signal processing
EP3453187B1 (de) 2016-05-25 2020-05-13 Huawei Technologies Co., Ltd. Audiosignalverarbeitungsstufe, audiosignalverarbeitungsvorrichtung und audiosignalverarbeitungsverfahren
US10034092B1 (en) 2016-09-22 2018-07-24 Apple Inc. Spatial headphone transparency
US11166099B2 (en) * 2019-09-27 2021-11-02 Apple Inc. Headphone acoustic noise cancellation and speaker protection or dynamic user experience processing
US11361745B2 (en) 2019-09-27 2022-06-14 Apple Inc. Headphone acoustic noise cancellation and speaker protection
US11206004B1 (en) 2020-09-16 2021-12-21 Apple Inc. Automatic equalization for consistent headphone playback
US11355096B1 (en) 2020-09-16 2022-06-07 Apple Inc. Adaptive feedback processing for consistent headphone acoustic noise cancellation
US11688383B2 (en) 2021-08-27 2023-06-27 Apple Inc. Context aware compressor for headphone audio feedback path
US12548544B1 (en) 2022-09-06 2026-02-10 Apple Inc. Feedforward and feedback headphone acoustic noise cancellation

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JPS59105707A (ja) * 1982-12-08 1984-06-19 Matsushita Electric Ind Co Ltd 音響効果装置
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US5023490A (en) * 1989-06-21 1991-06-11 General Electric Company Analog signal compression circuit
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SE465144B (sv) * 1990-06-26 1991-07-29 Ericsson Ge Mobile Communicat Saett och anordning foer behandling av en analog signal

Also Published As

Publication number Publication date
EP0583492A1 (de) 1994-02-23
US5359665A (en) 1994-10-25
ATE173866T1 (de) 1998-12-15
DE69227681T2 (de) 1999-06-10
DE69227681D1 (de) 1999-01-07
EP0583492B1 (de) 1998-11-25

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